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Galina-37 [17]
3 years ago
12

To prepare for an experiment, ten different sources of food were sterilized and kept in a sterile container. Bacteria of the sam

e species were placed on each of the ten different food sources and kept at 26°C for two days. During this time, bacteria grew in nine of the containers. Based on this observation, the scientist could conclude that ________.
Biology
1 answer:
Goryan [66]3 years ago
6 0

Answer:

The correct answer will be- Bacteria were able to utilize the food material in nine containers by producing respective enzymes.

Explanation:

The process of utilization of food material as a source of food depends on the Operon machinery of the Bacteria. The Operons gets activated in the presence of the inducer molecule which leads to the gene expression and the production of the enzymes to digest the food substance.

In the given condition, since the bacterial growth was observed in the nine containers out of ten shows that bacteria expressed the genes and produces enzymes to digest the substance in nine plates only and showed growth.

Thus, Bacteria were able to utilize the food material in nine containers by producing respective enzymes is the correct answer.

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How is a phenotype related to a trait?
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Explanation:

"Phenotype" simply refers to an observable trait. "Pheno" simply means "observe" and comes from the same root as the word "phenomenon". And so it's an observable type of an organism, and it can refer to anything from a common trait, such as height or hair color, to presence or absence of a disease.

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ATP is thermodynamically suited as a carrier of phosphoryl groups in animal cells because of all EXCEPT ________.
STatiana [176]

Answer:

It is intermediate in group-transfer potential

Explanation:

  • Adenosine triphosphate (ATP) is an organic chemical that provides energy to drive many processes in living cells.
  • ATP is the molecular energy currency of the cell. 
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3 0
3 years ago
When red light strikes certain cones, they excitea particular bipolar cell. When green light strikes the same cones, they inhibi
gogolik [260]

Answer:

The correct answer is : The opponent process theory

Explanation:

The opponent process theory states that one color of the color pair dominant over the other color and suppresses it. German physiologist Ewald Hering proposed it for the first time in late 18th century.

The opponent process theory of color vision suggests that our ability to perceive color is controlled by three receptor complexes with opposing actions. According to this theory the human eye perceive color is regulated by the 3 antagonist or opposing systems or channels in the eye.

For example, when red color hits the specific region of cones it activates the specific bipolar cells but when the cones stroked by the green color the bipolar cells are inhibited due to the members of different color channel or pair.

Thus, the correct answer is : The opponent process theory

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4 years ago
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